Refurbished open-back Sennheiser RS 185 RF Wireless for $147

The open-back over-ear Sennheiser RS 185 RF Wireless headphone (headphones and base/transmitter) are currently available in refurbished condition for $140 plus $7 shipping by Adgtron through Amazon Warehouse Deals. These ship from Adgtron, so they are not eligible for Prime shipping.